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Baculogypsinoides
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Rotaliacea
Family:
Calcarinidae
Formal Genus Name and Reference:
Baculogypsinoides Yabe & Hanzawa, 1930, *2093, p. 43
Type Species:
B. spinosus, OD (M)
Images
(Click to enlarge in a new window)
Fig. 501,4, 502,1. *B. spinostus, Rec., Philip. (501,4), Pleist., Ryukyu Is. (502,1), 501,4, lectotype, X33 (*2117); 502,1, equat. sec., X40 (*872). -- Fig. 502,2,3. S. tetraedra (Gümbel), U.Eoc., Italy (2), Eoc., Aus. (3), 2a,b, equat. and axial secs., X7.5 (*872), 3a b, ext. and equat. sec., X10 (*840).
Synonyms
Silvestriella
Geographic Distribution
Philip. Is.-Eu.-China Sea(Ryukyu Is.)
Age Range
Beginning Stage in Treatise Usage:
Eoc.
Beginning International Stage:
Ypresian
Fraction Up In Beginning Stage:
0
Beginning Date:
56
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Early stage trochospiral, as in Calcarina, later chambers acervuline, lateral walls compact, peripheral wall coarsely perforate, wall calcareous, with coarse tubuli, commonly with 3 or 4 thick blunt spines, with anastomosing canal system, arising near proloculus and extending outward in plane of coiling, interior with numerous thin conical vertical pillars, which project at surface as tubercles
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Rotaliacea
Family:
Calcarinidae
Formal Genus Name and Reference:
Baculogypsinoides Yabe & Hanzawa, 1930, *2093, p. 43
Type Species:
B. spinosus, OD (M)
Images
(Click to enlarge in a new window)
Fig. 501,4, 502,1. *B. spinostus, Rec., Philip. (501,4), Pleist., Ryukyu Is. (502,1), 501,4, lectotype, X33 (*2117); 502,1, equat. sec., X40 (*872). -- Fig. 502,2,3. S. tetraedra (Gümbel), U.Eoc., Italy (2), Eoc., Aus. (3), 2a,b, equat. and axial secs., X7.5 (*872), 3a b, ext. and equat. sec., X10 (*840).
Synonyms
Silvestriella
Geographic Distribution
Philip. Is.-Eu.-China Sea(Ryukyu Is.)
Age Range
Beginning Stage in Treatise Usage:
Eoc.
Beginning International Stage:
Ypresian
Fraction Up In Beginning Stage:
0
Beginning Date:
56
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Early stage trochospiral, as in Calcarina, later chambers acervuline, lateral walls compact, peripheral wall coarsely perforate, wall calcareous, with coarse tubuli, commonly with 3 or 4 thick blunt spines, with anastomosing canal system, arising near proloculus and extending outward in plane of coiling, interior with numerous thin conical vertical pillars, which project at surface as tubercles